10232111220 has 48 divisors (see below), whose sum is σ = 28912773120. Its totient is φ = 2703528576.

The previous prime is 10232111207. The next prime is 10232111243. The reversal of 10232111220 is 2211123201.

It is a super-2 number, since 2×10232111220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10232111220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775732 + ... + 788811.

It is an arithmetic number, because the mean of its divisors is an integer number (602349440).

Almost surely, 2^10232111220 is an apocalyptic number.

10232111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10232111220 is an abundant number, since it is smaller than the sum of its proper divisors (18680661900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10232111220 is a wasteful number, since it uses less digits than its factorization.

10232111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564664 (or 1564662 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10232111220 its reverse (2211123201), we get a palindrome (12443234421).

The spelling of 10232111220 in words is "ten billion, two hundred thirty-two million, one hundred eleven thousand, two hundred twenty".